Protein glycosylation

Our expertise is the analysis of protein glycosylation. Glycans are emergingly recognized as being important for the activity of proteins, e.g. for therapeutic antibodies.

We analyze intact proteins, free N-glycans or in-between sizes, like middle-down analyses, dependent on the research question. Glycomics of biofluids such as plasma, saliva or csf is another possibility to profile the whole complex mixture of glycoproteins.

Detailed structural information can be obtained from a glycan of interest by MS-MS fragmentation analyses.

Due to our unique background, we are able to analyze nucleotide sugars, the building blocks of glycosylation, with a superior resolution and sensitivity in cells, bacteria or tissues. Furthermore, we can do this within a timeseries, thereby visualizing the flow of these compounds through the metabolic processes within the cell. This enables us to identify bottlenecks in the availability of substrates for the production of for example monoclonal antibodies.

      Glycomics

That this field of glycosylation analysis is still somewhat of a niche, is also written in a recent article in Pharmaceutical Technology: S. Haigney, “Outsourcing Glycan Analysis,” Pharmaceutical Technology 42 (8) 2018.

There isn’t a single methodology that covers all glycan analysis needs. For example if you need to select clones for your quality target product profile or for batch release, our toolbox will be adapted to your specific needs.

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